Method and apparatus for transmitting and receiving signal in wireless communications system

Abstract

This application discloses a method and an apparatus for transmitting a signal in a wireless communications system. An example method includes: sending or receiving a signal of a first beam in a first beam set within a communication time of the first beam; and sending or receiving a signal of a third beam in a second beam set within a switching gap for switching from the first beam to a second beam in the first beam set. According to the method and the apparatus for transmitting a signal in a wireless communications system in embodiments of this application, overheads can be reduced.

What is claimed is: 
     
       1. A method for receiving a signal in a wireless communications system, comprising:
 receiving, by a base station, a signal of a first beam in a first beam set within a communication time of the first beam, wherein the first beam set includes the first beam and a second beam; 
 receiving, by the base station, a second signal of the second beam within a communication time of the second beam, wherein there is at least a switching gap between the communication times of the first beam and the second beam, the switching gap is a time interval during a switching from the first beam to the second beam; and 
 receiving, by the base station, a signal of a third beam in a second beam set within the switching gap; 
 wherein the first beam set and the second beam set correspond to different user equipments (UEs). 
 
     
     
       2. The method according to  claim 1 , wherein the method further comprises:
 receiving, by the base station, a signal of a fourth beam in a third beam set within the communication time of the first beam; and 
 receiving, by the base station, a signal of a fifth beam in a fourth beam set within the switching gap for switching from the first beam to the second beam. 
 
     
     
       3. The method according to  claim 2 , wherein
 the signal of the first beam and the signal of the fourth beam are sent in a frequency division or code division manner; or 
 the signal of the third beam and the signal of the fifth beam are sent in the frequency division or code division manner. 
 
     
     
       4. The method according to  claim 1 , wherein the first beam set and the second beam set correspond to different antenna ports, or correspond to different antennas of a same antenna port. 
     
     
       5. The method according to  claim 1 , wherein the first beam set and the second beam set correspond to different identifier sets. 
     
     
       6. The method according to  claim 2 , wherein both the first beam set and the third beam set correspond to a first identifier set, and both the second beam set and the fourth beam set correspond to a second identifier set. 
     
     
       7. An apparatus for receiving a signal in a wireless communications system, comprising:
 a first transceiver, configured to:
 receive a signal of a first beam in a first beam set within a communication time of the first beam, wherein the first beam set includes the first beam and a second beam; 
 receive a second signal of the second beam within a communication time of the second beam, wherein there is at least a switching gap between the communication times of the first beam and the second beam, the switching gap is a time interval during a switching from the first beam to the second beam; and 
 
 a second transceiver, configured to receive a signal of a third beam in a second beam set within the switching gap; 
 wherein the first beam set and the second beam set correspond to different user equipments (UEs). 
 
     
     
       8. The apparatus according to  claim 7 , wherein the first transceiver is further configured to:
 receive a signal of a fourth beam in a third beam set within the communication time of the first beam; and 
 the second transceiver is further configured to: 
 receive a signal of a fifth beam in a fourth beam set within the switching gap for switching from the first beam to the second beam. 
 
     
     
       9. The apparatus according to  claim 8 , wherein
 the signal of the first beam and the signal of the fourth beam are sent in a frequency division or code division manner; or 
 the signal of the third beam and the signal of the fifth beam are sent in the frequency division or code division manner. 
 
     
     
       10. The apparatus according to  claim 7 , wherein the first beam set and the second beam set correspond to different antenna ports, or correspond to different antennas of a same antenna port. 
     
     
       11. The apparatus according to  claim 7 , wherein the first beam set and the second beam set correspond to different identifier sets. 
     
     
       12. The apparatus according to  claim 8 , wherein both the first beam set and the third beam set correspond to a first identifier set, and both the second beam set and the fourth beam set correspond to a second identifier set. 
     
     
       13. A non-transitory computer readable medium storing computer instructions, when executed by one or more processors, cause the one or more processors to perform operations of:
 receiving a signal of a first beam in a first beam set within a communication time of the first beam, wherein the first beam set includes the first beam and a second beam; 
 receiving a second signal of the second beam within a communication time of the second beam, wherein there is at least a switching gap between the communication times of the first beam and the second beam, the switching gap is a time interval during a switching from the first beam to the second beam; and 
 receiving a signal of a third beam in a second beam set within the switching gaps; 
 wherein the first beam set and the second beam set correspond to different user equipments (UEs). 
 
     
     
       14. The non-transitory computer readable medium according to  claim 13 , wherein the operations further comprise:
 receiving a signal of a fourth beam in a third beam set within the communication time of the first beam; and 
 receiving a signal of a fifth beam in a fourth beam set within the switching gap for switching from the first beam to the second beam. 
 
     
     
       15. The non-transitory computer readable medium according to  claim 14 , wherein
 the signal of the first beam and the signal of the fourth beam are sent in a frequency division or code division manner; or 
 the signal of the third beam and the signal of the fifth beam are sent in the frequency division or code division manner. 
 
     
     
       16. The non-transitory computer readable medium according to  claim 13 , wherein the first beam set and the second beam set correspond to different antenna ports, or correspond to different antennas of a same antenna port. 
     
     
       17. The non-transitory computer readable medium according to  claim 13 , wherein the first beam set and the second beam set correspond to different identifier sets.